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USPTO Patent Rankings Data through Dec 31, 2025
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Certainteed Canada — 13 Patents

Rank (All Time): #44,941 of 106,120Top 45%
11 inventors
13 Patents All Time

Top Inventors at Certainteed Canada All Time

Showing 1–11 of 11 inventors

RankNamePatents
1 Martin Daniel Gerkes 9
2 Ronald White 6
3 Ali Chitsaz 3
3 Luigi Bartella 3
#5 Heikki Kolga 2
#6 Ali Rahnamaye Chitsaz 1
#6 Christopher Wiesener 1
#6 Donald Deyoe 1
#6 Michael J. Lembo 1
#6 Srirathakrishna Sivapathasuntharam 1
#6 Timothy Briggs 1